Before you have a meeting, consider what would happen if the meeting ended up cancelled -- then decide if you even need to have it. I've sat through countless

Before you have a meeting, consider what would happen if the meeting ended up cancelled -- then decide if you even need to have it. I've sat through countless meetings that could have easily been solved with a few quick emails or a phone call. Also, make it clear what the meeting covers and stick to it, this lets people who aren't stakeholders in the current topic leave and get back to work.